test: add fixtures for extensionless esm type commonjs

Author: inoway46

test/es-module/test-extensionless-esm-type-commonjs.js

@@ -1,36 +1,11 @@
 'use strict';
 
-const fs = require('node:fs');
-const path = require('node:path');
 const { spawnSyncAndAssert } = require('../common/child_process');
-const tmpdir = require('../common/tmpdir');
+const fixtures = require('../common/fixtures');
 
-tmpdir.refresh();
+const commonjsDir = fixtures.path('es-modules', 'extensionless-esm-commonjs');
 
-const commonjsDir = tmpdir.resolve('extensionless-esm-commonjs');
-fs.mkdirSync(commonjsDir, { recursive: true });
-
-// package.json with type: commonjs
-fs.writeFileSync(
-  path.join(commonjsDir, 'package.json'),
-  '{\n  "type": "commonjs"\n}\n',
-  'utf8'
-);
-
-// Extensionless executable with shebang + ESM syntax.
-// NOTE: Execute via process.execPath to avoid PATH/env differences.
-const commonjsScriptPath = path.join(commonjsDir, 'script'); // no extension
-fs.writeFileSync(
-  commonjsScriptPath,
-  '#!/usr/bin/env node\n' +
-    "console.log('script STARTED')\n" +
-    "import { version } from 'node:process'\n" +
-    'console.log(version)\n',
-  'utf8'
-);
-fs.chmodSync(commonjsScriptPath, 0o755);
-
-spawnSyncAndAssert(process.execPath, ['./script'], {
+spawnSyncAndAssert(process.execPath, ['--no-experimental-detect-module', './script'], {
   cwd: commonjsDir,
   encoding: 'utf8',
 }, {
@@ -39,28 +14,9 @@ spawnSyncAndAssert(process.execPath, ['./script'], {
   trim: true,
 });
 
-const moduleDir = tmpdir.resolve('extensionless-esm-module');
-fs.mkdirSync(moduleDir, { recursive: true });
-
-// package.json with type: module
-fs.writeFileSync(
-  path.join(moduleDir, 'package.json'),
-  '{\n  "type": "module"\n}\n',
-  'utf8'
-);
-
-const moduleScriptPath = path.join(moduleDir, 'script'); // no extension
-fs.writeFileSync(
-  moduleScriptPath,
-  '#!/usr/bin/env node\n' +
-    "console.log('script STARTED')\n" +
-    "import { version } from 'node:process'\n" +
-    'console.log(version)\n',
-  'utf8'
-);
-fs.chmodSync(moduleScriptPath, 0o755);
+const moduleDir = fixtures.path('es-modules', 'extensionless-esm-module');
 
-spawnSyncAndAssert(process.execPath, ['./script'], {
+spawnSyncAndAssert(process.execPath, ['--no-experimental-detect-module', './script'], {
   cwd: moduleDir,
   encoding: 'utf8',
 }, {

test/fixtures/es-modules/extensionless-esm-commonjs/package.json

@@ -0,0 +1,3 @@
+{
+  "type": "commonjs"
+}

test/fixtures/es-modules/extensionless-esm-commonjs/script

@@ -0,0 +1,4 @@
+#!/usr/bin/env node
+console.log('script STARTED')
+import { version } from 'node:process'
+console.log(version)

test/fixtures/es-modules/extensionless-esm-module/package.json

@@ -0,0 +1,3 @@
+{
+  "type": "module"
+}

test/fixtures/es-modules/extensionless-esm-module/script

@@ -0,0 +1,4 @@
+#!/usr/bin/env node
+console.log('script STARTED')
+import { version } from 'node:process'
+console.log(version)